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Added simple example plugin creating instruction histogram

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This commit is contained in:
Eyck Jentzsch 2018-02-11 21:23:26 +00:00
parent c5a7adcef5
commit 36be8b87f1
10 changed files with 186 additions and 6 deletions
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2
dbt-core

@ -1 +1 @@
Subproject commit e70839fbf599302c976919afc590492b80bb2995
Subproject commit 5a31988a9d389db6e3862fc611125e11fe75362c

9
riscv/gen_input/templates/CORENAME_cyles.txt.gtl
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@ -1,8 +1,9 @@
{
'${coreDef.name}' : [<%instructions.each{instr -> %>
"${coreDef.name}" : [<%instructions.eachWithIndex{instr,index -> %>${index==0?"":","}
{
'name' : '${instr.name}',
'delay' : ${generator.hasAttribute(instr.instruction, com.minres.coredsl.coreDsl.InstrAttribute.COND)?[1,1]:1
},<%}%>
"name" : "${instr.name}",
"size" : ${instr.length},
"delay" : ${generator.hasAttribute(instr.instruction, com.minres.coredsl.coreDsl.InstrAttribute.COND)?[1,1]:1}
}<%}%>
]
}

4
riscv/gen_input/templates/incl-CORENAME.h.gtl
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@ -52,6 +52,8 @@ struct ${coreDef.name.toLowerCase()};
template<>
struct traits<${coreDef.name.toLowerCase()}> {
constexpr static char const* const core_type = "${coreDef.name}";
enum constants {${coreDef.constants.collect{c -> c.name+"="+c.value}.join(', ')}};
enum reg_e {<%
@ -110,6 +112,8 @@ struct ${coreDef.name.toLowerCase()}: public arch_if {
${coreDef.name.toLowerCase()}();
~${coreDef.name.toLowerCase()}();
const std::string core_type_name() const override {return traits<${coreDef.name.toLowerCase()}>::core_type;}
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;

4
riscv/incl/iss/arch/rv32imac.h
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@ -46,6 +46,8 @@ struct rv32imac;
template<>
struct traits<rv32imac> {
constexpr static char const* const core_type = "RV32IMAC";
enum constants {XLEN=32, XLEN2=64, XLEN_BIT_MASK=31, PCLEN=32, fence=0, fencei=1, fencevmal=2, fencevmau=3, MISA_VAL=1075056897, PGSIZE=4096, PGMASK=4095};
enum reg_e {
@ -128,6 +130,8 @@ struct rv32imac: public arch_if {
rv32imac();
~rv32imac();
const std::string core_type_name() const override {return traits<rv32imac>::core_type;}
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;

4
riscv/incl/iss/arch/rv64ia.h
View File

@ -46,6 +46,8 @@ struct rv64ia;
template<>
struct traits<rv64ia> {
constexpr static char const* const core_type = "RV64IA";
enum constants {XLEN=64, XLEN2=128, XLEN_BIT_MASK=63, PCLEN=64, fence=0, fencei=1, fencevmal=2, fencevmau=3, MISA_VAL=2147746049, PGSIZE=4096, PGMASK=4095};
enum reg_e {
@ -128,6 +130,8 @@ struct rv64ia: public arch_if {
rv64ia();
~rv64ia();
const std::string core_type_name() const override {return traits<rv64ia>::core_type;}
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;

73
riscv/incl/iss/plugin/instruction_count.h Normal file
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@ -0,0 +1,73 @@
/*******************************************************************************
* Copyright (C) 2017, MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Contributors:
* eyck@minres.com - initial API and implementation
******************************************************************************/
#ifndef _ISS_PLUGIN_CYCLE_COUNTER_H_
#define _ISS_PLUGIN_CYCLE_COUNTER_H_
#include <iss/vm_plugin.h>
#include <json/json.h>
#include <string>
namespace iss {
namespace plugin {
class instruction_count: public iss::vm_plugin {
struct instr_delay {
std::string instr_name;
size_t size;
size_t not_taken_delay;
size_t taken_delay;
};
public:
instruction_count() = delete;
instruction_count(std::string config_file_name);
virtual ~instruction_count();
bool registration(const char* const version, vm_if& arch) override;
sync_type get_sync() override {return POST_SYNC;};
void callback(unsigned core_id, unsigned cluster_id, sync_type phase, unsigned instr_id) override;
private:
Json::Value root;
std::vector<instr_delay> delays;
std::vector<uint64_t> rep_counts;
};
}
}
#endif /* _ISS_PLUGIN_CYCLE_COUNTER_H_ */

1
riscv/src/CMakeLists.txt
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@ -6,6 +6,7 @@ set(LIB_SOURCES
iss/rv64ia.cpp
internal/vm_rv32imac.cpp
internal/vm_rv64ia.cpp
plugin/instruction_count.cpp
)
set(APP_HEADERS )

3
riscv/src/main.cpp
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@ -42,6 +42,7 @@
#include <iss/arch/rv64ia.h>
#include <iss/jit/MCJIThelper.h>
#include <iss/log_categories.h>
#include <iss/plugin/instruction_count.h>
namespace po = boost::program_options;
@ -101,12 +102,14 @@ int main(int argc, char *argv[]) {
// instantiate the simulator
std::unique_ptr<iss::vm_if> vm{nullptr};
std::string isa_opt(clim["isa"].as<std::string>());
iss::plugin::instruction_count cc_plugin("riscv/gen_input/src-gen/rv32imac_cyles.txt");
if (isa_opt.substr(0, 4)=="rv64") {
iss::arch::rv64ia* cpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv64ia>();
vm = iss::create(cpu, clim["gdb-port"].as<unsigned>());
} else if (isa_opt.substr(0, 4)=="rv32") {
iss::arch::rv32imac* cpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv32imac>();
vm = iss::create(cpu, clim["gdb-port"].as<unsigned>());
vm->register_plugin(cc_plugin);
} else {
LOG(ERROR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl;
return 127;

90
riscv/src/plugin/instruction_count.cpp Normal file
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@ -0,0 +1,90 @@
/*******************************************************************************
* Copyright (C) 2017, MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Contributors:
* eyck@minres.com - initial API and implementation
******************************************************************************/
#include "../../incl/iss/plugin/instruction_count.h"
#include <iss/arch_if.h>
#include <util/logging.h>
#include <fstream>
iss::plugin::instruction_count::instruction_count(std::string config_file_name) {
if (config_file_name.length() > 0) {
std::ifstream is(config_file_name);
if (is.is_open()) {
try {
is >> root;
} catch (Json::RuntimeError &e) {
LOG(ERROR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
}
} else {
LOG(ERROR) << "Could not open input file " << config_file_name;
}
}
}
iss::plugin::instruction_count::~instruction_count() {
size_t idx=0;
for(auto it:delays){
if(rep_counts[idx]>0)
LOG(INFO)<<it.instr_name<<";"<<rep_counts[idx];
idx++;
}
}
bool iss::plugin::instruction_count::registration(const char* const version, vm_if& vm) {
const std::string core_name = vm.get_arch()->core_type_name();
Json::Value &val = root[core_name];
if(val.isArray()){
delays.reserve(val.size());
for(auto it:val){
auto name = it["name"];
auto size = it["size"];
auto delay = it["delay"];
if(!name.isString() || !size.isUInt() || !(delay.isUInt() || delay.isArray())) throw std::runtime_error("JSON parse error");
if(delay.isUInt()){
const instr_delay entry{name.asCString(), size.asUInt(), delay.asUInt(), 0};
delays.push_back(entry);
} else {
const instr_delay entry{name.asCString(), size.asUInt(), delay[0].asUInt(), delay[1].asUInt()};
delays.push_back(entry);
}
}
rep_counts.resize(delays.size());
}
return true;
}
void iss::plugin::instruction_count::callback(unsigned core_id, unsigned cluster_id, sync_type phase, unsigned instr_id) {
rep_counts[instr_id]++;
}

2
sc-components

@ -1 +1 @@
Subproject commit 92802d543014324ad599723ae32d0a84c5162ca8
Subproject commit 19406add3e723f032058c01ecae7c2c84bbe67e9